*{
    /*初始化*/
    margin: 0;
    padding: 0;
}
body{
    /*100%窗口布局*/
    height: 100vh;
    /*弹性布局 */
    /* display: flex; */
    justify-content:center ;
    align-items: center;
    /*渐变背景*/
    /* background: linear-gradient(200deg,#72afd3,#96fbc4); */
}
.middle{
    width: 100%;
    height: 100%;
    position: relative;
    background: linear-gradient(180deg,#e65656,#e62225);
}
.login-box{
    /*相对定位*/
    position: relative;
    margin:  0 auto;
        width: 320px; 
        top: 200px;
      
        
    

}
.input-box{
    /*弹性布局  垂直排列*/
    display: flex;
    flex-direction: column;
}
.input-box input{
    height: 40px;
    border-radius: 3px;
    /*缩进15像素*/
    text-indent: 15px;
    outline: none;
    border: none;
    margin-bottom: 15px;
}
.input-box input:focus{
    outline: 1px solid lightseagreen
}
.input-box input:last-child{
    border: 1px solid white;
    height: 45px;
    background: #323232;
    color: #fff;
    border-radius: 3px;
    cursor: pointer;
    /* 把鼠标定义为手指 */
}
/*猫头鹰的样式*/
.owl{
    width: 211px;
    height: 108px;
    /* 背景图片 */
    background: url("../images/owl-login.png") no-repeat ;
     /* 绝对定位 */
    position: absolute;
    top: -100px;
    /*水平居中*/
    left: 50%;
    transform: translateX(-50%);
}
.owl .hand{
    width: 34px;
    height: 34px;
    border-radius:40px;
    background-color: #472d20;
    /*绝对定位*/
    position: absolute;
    left: 24px;
    bottom: -8px;
    /*沿Y轴缩放0.6倍（压扁）*/
    transform: scaley(0.6);
    /*动画过度*/
    transition: 0.3s ease-out;
}
.owl .hand.hand-r{
    left: 160px;
}
.owl.password .hand{
    transform: translateX(42px) translateY(-15px) scale(0.7);
}
.owl.password  .hand.hand-r{
    transform: translateX(-42px) translateY(-15px) scale(0.7);
}
.owl .arms{
    position: absolute;
    top: 58px;
    width: 100%;
    height: 41px;
    overflow: hidden;
}
.owl  .arms  .arm{
    width: 40px;
    height:65px;
  position:absolute;
    left: 20px;
    top: 40px;
  background: url("../images/owl-login-arm.png")
  no-repeat;
    transform: rotate(-20deg);
    transition: 0.3s ease-out;
}
.owl .arms .arm.arm-r{
    transform: rotate(20deg) scaleX(1);
    left: 158px;
}
.owl.password .arms .arm{
    transform: translateY(-40px) translateX(42px);
}
.owl.password .arms .arm.arm-r{
    transform: translateY(-40px) translateX(-38px)
scalex(-1);
}
